-77.63% is the change from 997 to 223
Calculation steps:
[( 223 - 997 ) ÷ 997] x 100 = -77.63%
Formula
Percentage change = [(223 - 997) / 997] x 100
Subtract the new number by the original number
223 - 997 = -774
-774 ÷ 997 = -0.7763289869608826
-0.7763289869608826 x 100 = -77.63%